Contoured bath tub



FIG. 1 is a front perspective view;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a side view of FIG. 1, the opposite side being a mirror image;

FIG. 4 is a left side view of FIG. 1; and,

FIG. 5 is a right side view of FIG. 1. 

The ornamental design for a contoured bath tub, as shown and described. 